Early Diary of John Adams, volume 1

April 8th. 1754.

April 10, 1754.

April 9 1754. JA April 9 1754. Adams, John
April 9 1754.

Sir Isaac Newtons three laws of nature proved and illustrated, together with the application of them to the planets, which are kept in their orbits by two forces acting upon them, viz that of gravity and that which is call’d their Centrifugal force whereby it they strives to recede from the Center of their orbits, and fly off therefrom in tangents.